Online Searchable Document App and XLSX Search API Code

Develop powerful .NET based XLSX document search engine software or utility app. Test online document text finder app for free.

XLSX Search via Java XLSX Search via C++ XLSX Search in Android Apps

How to Search in XLSX via Online App

  1. Upload XLSX file to search by clicking inside the drop area or via drag and drop.
  2. Enter the search criteria by specifying the parameters.
  3. Click the “SEARCH” button to search XLSX.
  4. Download the searched XLSX to view instantly.

How to Search XLSX File via C#

  1. Install ‘Aspose.Cells for .NET’.
  2. Add a library reference (import the library) to your C# project.
  3. Load XLSX file using Workbook class.
  4. Access the cells in relevant sheet.
  5. Use Find method to search Numbers, Date and Text.

Code example in C# to Search in XLSX Files


Develop XLSX File Search Engine via .NET

Need to develop a XLSX searchable software or utility? With Aspose.Cells for .NET a child API of Aspose.Total for .NET, any developer can integrate the above API C# code to program search across documents. Powerful C# library allows programming document search software solution that can support many popular formats including XLSX format.

C# library to Search XLSX File

There are three alternative options to install “Aspose.Cells for .NET” or “Aspose.Total for .NET” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

System Requirements

Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification:

  • Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’
  • .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’
  • Mono >= 2.6.7

    As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

    We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications.

    Fore more details please refer to Product Documentation .


  • Can I use above C# code in my application?
    Yes, You may download this code or copy it to use it for the development of any files text extraction and retrieval .NET based application.
  • Is this document searchable App work only on Windows?
    One can search from any device, regardless of the operating system either it is Windows, Linux, Mac OS and Android, that has a modern browser and an internet connection.
  • Is it safe to use the online app XLSX Document Search?
    Of course! Output files will be deleted from our servers after 24 hours and download links will stop working.
  • What browser should to use App?
    You can use any modern web browser, such as Google Chrome, Firefox, Opera, or Safari, for the online XLSX document search. However, if you are developing a desktop application, the Aspose.Total Document Search API is recommended for smooth and efficient processing.

Explore File Search Options with .NET

Search in DOC (Microsoft Word Binary Format)
Search in DOCX (Office 2007+ Word Document)
Search in ODP (OpenDocument Presentation Format)
Search in ODS (OpenDocument Spreadsheet)
Search in ODT (OpenDocument Text File Format)
Search in PDF (Portable Document Format)
Search in PPT (PowerPoint Presentation)
Search in PPTX (Open XML presentation Format)
Search in XLS (Microsoft Excel Binary Format)
Search in XLSX (Open XML Workbook)